ASN AS16778 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS16778?

AS16778 is listed under Cook Children's Health Care System.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS16778 Cook Children's Health Care System

ASN Lookup Tool

Cook Children's Health Care System cookchildrens.org

US 2 Routes

AS Data

AS16778

AS16778 – Cook Children's Health Care System

AS Number	16778
AS Name	CCHCS-2-ASN-1
Organization	Cook Children's Health Care System(cchcs-2)
Country	US
Website	cookchildrens.org
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2014-02-19

ASN Intelligence API for production workflows

Use ASN data for AS16778 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
75.11.232.0/23	AS16778	Cook Childrens Health Care System	Cook Children's Health Care System	512
192.5.221.0/24	AS16778	Cook Childrens Health Care System	Cook Children's Health Care System	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       16778
ASName:         CCHCS-2-ASN-1
ASHandle:       AS16778
RegDate:        2014-02-19
Updated:        2014-02-19
Comment:        www.cookchildrens.org    
Ref:            https://rdap.arin.net/registry/autnum/16778


OrgName:        Cook Children's Health Care System
OrgId:          CCHCS-2
Address:        801 7th Avenue
City:           Fort Worth
StateProv:      TX
PostalCode:     76104
Country:        US
RegDate:        2013-02-19
Updated:        2024-08-29
Ref:            https://rdap.arin.net/registry/entity/CCHCS-2


OrgAbuseHandle: INS31-ARIN
OrgAbuseName:   IT Network Security
OrgAbusePhone:  +1-682-885-5400 
OrgAbuseEmail:  dverify@cookchildrens.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/INS31-ARIN

OrgDNSHandle: HAWKI301-ARIN
OrgDNSName:   Hawkins, Rodney 
OrgDNSPhone:  +1-682-885-7204 
OrgDNSEmail:  rodneyh@cookchildrens.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/HAWKI301-ARIN

OrgNOCHandle: INS31-ARIN
OrgNOCName:   IT Network Security
OrgNOCPhone:  +1-682-885-5400 
OrgNOCEmail:  dverify@cookchildrens.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/INS31-ARIN

OrgTechHandle: MARTI3235-ARIN
OrgTechName:   Martinez, Rafael 
OrgTechPhone:  +1-682-885-2113 
OrgTechEmail:  rafael.martinez@cookchildrens.org
OrgTechRef:    https://rdap.arin.net/registry/entity/MARTI3235-ARIN

OrgDNSHandle: MARTI3235-ARIN
OrgDNSName:   Martinez, Rafael 
OrgDNSPhone:  +1-682-885-2113 
OrgDNSEmail:  rafael.martinez@cookchildrens.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/MARTI3235-ARIN

OrgRoutingHandle: HAWKI301-ARIN
OrgRoutingName:   Hawkins, Rodney 
OrgRoutingPhone:  +1-682-885-7204 
OrgRoutingEmail:  rodneyh@cookchildrens.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/HAWKI301-ARIN

OrgTechHandle: HAWKI301-ARIN
OrgTechName:   Hawkins, Rodney 
OrgTechPhone:  +1-682-885-7204 
OrgTechEmail:  rodneyh@cookchildrens.org
OrgTechRef:    https://rdap.arin.net/registry/entity/HAWKI301-ARIN

OrgRoutingHandle: MARTI3235-ARIN
OrgRoutingName:   Martinez, Rafael 
OrgRoutingPhone:  +1-682-885-2113 
OrgRoutingEmail:  rafael.martinez@cookchildrens.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/MARTI3235-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS13335	Cloudflare, Inc.	US
AS1828	Unitas Global	US

Upstreams

AS Number	Description	Country
AS13335	Cloudflare, Inc.	US